release: v4.0.3.

Electron docs suggests that we should not use
`disablewebsecurity` thus removing the same.

app/package.json

@@ -1,7 +1,7 @@
 {
   "name": "zulip",
   "productName": "Zulip",
-  "version": "4.0.2-beta",
+  "version": "4.0.3",
   "desktopName": "zulip.desktop",
   "description": "Zulip Desktop App",
   "license": "Apache-2.0",

app/renderer/js/components/webview.ts

@@ -47,7 +47,6 @@ class WebView extends BaseComponent {
 					data-tab-id="${this.props.tabIndex}"
 					src="${this.props.url}"
 					${this.props.nodeIntegration ? 'nodeIntegration' : ''}
-					disablewebsecurity
 					${this.props.preload ? 'preload="js/preload.js"' : ''}
 					partition="persist:webviewsession"
 					name="${this.props.name}"

package.json

@@ -1,7 +1,7 @@
 {
   "name": "zulip",
   "productName": "Zulip",
-  "version": "4.0.2-beta",
+  "version": "4.0.3",
   "main": "./app/main",
   "description": "Zulip Desktop App",
   "license": "Apache-2.0",